As a OLS user who have bought core OCP subscription there are layered products are that also included in core OCP subscription and if i ask questions about those layered products . The OLS should be able to answer using product document of those products so that i can get accurate answer 

• OpenShift Pipelines
• https://docs.openshift.com/pipelines/1.14/about/op-release-notes.html
• OpenShift GitOps
• https://docs.openshift.com/gitops/1.12/release_notes/gitops-release-notes.html
• OpenShift Builds
• https://docs.openshift.com/builds/1.0/about/ob-release-notes.html
• OpenShift Serverless
• https://docs.openshift.com/serverless/1.32/about/serverless-release-notes.html
• Service Mesh